Seeking advice on sealing materials
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The flue gas temperature is 350 degrees; it relates to the sealing material for globe valves. Are there any elastic sealing materials such as rubber? Graphite and asbestos are too hard and lack elasticity. Please give an introduction
Under these conditions, only flexible graphite can be used.
Yes, DuPont perfluoroelastomer Kalrze
DuPont’s highest-grade perfluoroether can withstand temperatures of 327 degrees in hot air, under pressure-free conditions. At 350 degrees over the long term, only graphite and metal seals are feasible. No non-metallic materials will work